NewTek Spark Plus I/O 4K – Bidirectional HDMI-NDI 4K Converter


The NewTek Spark Plus I/O 4K is a bi-directional HDMI to NDI video converter that enables HDMI video sources to be connected to IP-based workflows. It supports up to UHD 4Kp60 and supports a wide range of applications including live streaming, video production and corporate meetings.

In stock

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Additional information

The NewTek Spark Plus I/O 4K HDMI to NDI converter is a versatile tool for connecting HDMI devices to NDI workflows. This allows you to stream live HDMI video over the Internet or other broadcast platforms, or convert HDMI sources to NDI for use in a wide range of NDI-compliant systems, devices and applications.


  • HDMI video input and output with embedded audio.
  • NDI input and output, compatible with any NDI workflow.
  • NDI transfer modes: UDP unicast/multicast with error correction (FEC) and TCP unicast.
  • Support for 4K UHD video at 60 frames per second.
  • Multicast mode.
  • Network identification to apply custom device and channel names.
  • Remote configuration and monitoring via a web-based user interface.
  • 3.5 mm analogue audio line-in and line-out.
  • Program and preview LEDs.
  • Portable and handy.
  • NDI virtual input compatible with popular video applications via the included software driver, such as Google Hangouts, GoToMeeting, Skype, Skype for Business, WebEx, Zoom, etc.